NPPES file of Aug 9, 2026

Jean L. Nakamura, M.D.

Radiation Oncology Physician · San Francisco, CA

Jean L. Nakamura, M.D. is a radiation oncology physician with a practice address in San Francisco, California, and NPI 1154369551, issued on Jun 4, 2006. Check the license (California A71767, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1154369551
Name
Jean L. Nakamura
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
A71767 CA
Self-reported in NPPES; status is on the state search
Practice location
505 Parnassus Ave, San Francisco, CA 94143
Phone
(415) 353-8900
Enumerated
Jun 4, 2006
Record last updated
Jul 13, 2026
Fax
(415) 353-8679
Medicaid ID
00A717670 CA
Medicare enrollment
Enrolled (PECOS I20080226000744); accepts Medicare assignment
Medical or professional school
University Of Chicago, Pritzker School Of Medicine, 1998
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 505 Parnassus Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alexander Aabedi, MDStudent in an Organized Health Care Education/Training Program1245971480
  2. Kathryn Aaronson, RN, CPNPPediatric Nurse Practitioner1992030951
  3. Sharon AbadaStudent in an Organized Health Care Education/Training Program1003492844
  4. Abul Abbas, MBBSAnatomic Pathology Physician1881652964
  5. Jesse Abelson, MDInternal Medicine Physician1083843817
  6. Rhonald AbitonaAcute Care Nurse Practitioner1164993473

Verify Jean L. Nakamura in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A71767
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 74.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%46.7
  3. Promoting interoperabilityout of 100 · 25%76.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. University OF California San FranciscoSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Radiation Oncology Physician providers in California

There are 735 radiation oncology physician records in California.

Other radiation oncology physician records in California

  1. Christina Abel, NURSE PRACTITIONEROrange, CA1033638911
  2. Jonathan Abelson, M.D.Thousand Oaks, CA1730348053
  3. Roy Abendroth, MDSan Francisco, CA1811988421
  4. Sunil Advani, M.D.La Jolla, CA1669649844
  5. Faisal Ahmed, MDStanford, CA1427314855
  6. Eugene Ahn, MDSimi Valley, CA1912999533
  7. Matthew Allen, MDRedding, CA1235301714
  8. Zahora Ally, MDAntioch, CA1306839915
  9. Munther Alqaisi, M.D.San Bernardino, CA1356454300
  10. Alessandra Amadeo, MDTorrance, CA1225011034

Common questions

What is Jean L. Nakamura, M.D.'s NPI number?

Jean L. Nakamura, M.D.'s National Provider Identifier (NPI) is 1154369551, issued on Jun 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jean L. Nakamura, M.D. located?

The NPPES record lists a practice address at 505 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 353-8900. Providers update this record themselves, so call before visiting.

How can I verify Jean L. Nakamura, M.D.'s license?

NPPES lists California license number A71767, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Jean L. Nakamura, M.D.'s MIPS final score?

The 2023 MIPS final score is 74.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.